Acanthobothrium bullardi is a species of parasitic onchobothriid tapeworm first found in the whiptail stingray, Dasyatis brevis, in the Gulf of California. This species of parasitic tapeworm was originally discovered alongside four other varieties of tapeworms in the Gulf of California during a survey of the area that was done in the years 1993 as well as 1996. Information on this discovery can be found in greater detail in the article written by Sohini Ghoshroy and J.N. Caira titled "Four New Species of Acanthobothrium (Cestoda: Tetraphyllidea) from the Whiptail Stingray Dasyatis Brevis in the Gulf of California, Mexico". This article claims itself as the first document with record on these tapeworms in California. Although this particular variety has only been discovered on the bodies of